Merge of all doc fixes.
[m6w6/libmemcached] / ChangeLog
1 0.49
2 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
3 * New parser calls for generating memcached_st objects.
4 * New error system.
5 * New flow control for messages means faster get/set calls.
6 * Added new documentation system.
7 * A behavior change has been now made that if you specify a weight for any
8 server, we enable the weight flag and do weight balancing.
9 * A behavior change has been now made that if you specify a weight for any server, we enable the weight flag and do weight balancing.
10 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
11
12 0.48 Tue Mar 15 23:05:18 PDT 2011
13 * Fix memory leak in server parse.
14 * Move test framework out to be its own library (easier to work with Gearman).
15
16
17 0.47 Wed Feb 23 18:46:48 PST 2011
18 * Additional fixes for OpenBSD.
19 * Bug fix 677609, 456080.
20 * SIGPIPE fix for Linux send().
21 * memcapable can now test ascii or binary based on flags.
22 * Additional build fixes for SASL.
23
24
25 0.46 Mon Feb 14 10:28:01 PST 2011
26 * Fixes a number of corner case bugs.
27 * Fixes related to OpenBSD.
28 * Better testing for protocol version.
29 * Removes special case infinite wait on blocking setup.
30
31 0.45 Tue Feb 8 16:02:06 PST 2011
32 * Add support for systemtap
33
34 0.44 Wed Sep 22 21:57:57 PDT 2010
35 * Windows bug fixes.
36 * Hudson port support in test harness.
37 * Improved portability of test hanrness.
38 * SASL fixes.
39
40 0.43 Wed Jul 28 16:29:47 PDT 2010
41 * Added --args to memstat so that a greater range of values can be returned.
42 * Prelimanary support for Windows.
43 * memcached_stat_execute() merged.
44
45 0.42 Tue Jul 6 12:29:50 PDT 2010
46 * Mistake in libtool caused issue with library version
47
48 0.41 Wed Jun 30 13:15:19 PDT 2010
49 * Added --file for memcat.
50 * Added limemcached_ping() to libmemcached_util
51 * Bugfix for some cases where connect would have issues with timeout.
52 * Wrong value for errno given as error on an IO failure inside of poll.
53 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
54
55 0.40 Thu Apr 22 19:01:25 PDT 2010
56 * Placed retry logic in for busted resolvers
57 * Add an ignore for SIGPIPE to solve OSX issues.
58 * A couple of fixed for memcached_light server.
59 * Updated to debug mode to track io_wait
60
61 0.39 Tue Apr 6 12:35:13 PDT 2010
62 * Add support for prefix keys to binary protocol.
63 * Remove the undocumented call memcached_server_remove().
64 * The undocumented call memcached_server_by_key() now returns const.
65 * memcached_server_error_reset() has been deprecated.
66 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
67 * memcached_verbosity() can now be run concurrently with other operations.
68 * SASL support.
69 * Fixes memory leak found in EJECT HOSTS.
70
71 0.38 Wed Feb 10 09:40:33 PST 2010
72 * C++ interface for libhashkit.
73 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
74 * memcached_clone() now runs 5 times faster.
75 * Functions used for callbacks are now given const memcached_st.
76 * Added MEMCACHED_BEHAVIOR_CORK.
77 * memslap now creates a configuration file at ~/.memslap.cnf
78 * memcached_purge() now calls any callbacks registered during get execution.
79 * Many fixes to memslap.
80 * Updates for memcapable.
81 * Compile fixes for OpenBSD.
82 * Fix for possible recursive decent on IO failure.
83
84 0.37 Mon Jan 11 16:29:57 PST 2010
85 * Fixed build for libhashkit.
86 * Fixed install path regression.
87 * Modified RPM to strict check install.
88 * Added documentation for memcached_server_cursor();
89 * Added memcached_servers_reset().
90 * Modified memcached_st to remove dead cursor_server member.
91
92 0.36 Wed Jan 6 18:23:50 PST 2010
93 * Merged in new memslap utility.
94 * All of constants.h has been updated to match style (all old identifiers continue to work).
95 * Added first pass for libhashkit.
96 * Updated test Framework/extended tests.
97 * Random read support during replication added.
98 * Modified use_sort so that the option can be applied to any distribution type.
99 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
100
101 0.35 Mon Nov 9 11:18:33 PST 2009
102 * Added support for by_key operations for inc/dec methods.
103 * Added mget test to memslap.
104 * Support for compatible ketama for SpyMemcached
105 * Update C++ interface.
106 * Fix for memcp
107
108 0.34 Tue Oct 13 08:39:51 PDT 2009
109 * Added support for setting behavior flags on a connection pool.
110 * Don't increment server_failure_counter on normal disconnects.
111 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
112 * Updated memcapable to test ASCII protocol.
113 * Changed behavior so that server can be removed at first sign of failure.
114 * Added memcached_server_get_last_disconnect() call
115
116 0.33 Wed Sep 23 10:11:58 PDT 2009
117 * Added memcapable to test servers for binary compatibility.
118 * Updated C++ interface. Added basic support for C++ exceptions. Added multiple constructors the memcached client object. The C++ interface now takes parameters which are C++ types (such as std::string).
119 * Several bug fixes for binary protocol support.
120 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
121
122 0.32 Tue Sep 15 15:49:09 PDT 2009
123 * Change of behavior where linger is only modified for no-block and then it is set to zero.
124 * Added Twitter's memcached_server_error() functions.
125 * Fix for OSX compiles in development builds.
126 * Updated C++ interface.
127 * Updated memcached_mget and memcached_mget_by_key to take a size_t as a parameter instead of an unsigned int for number_of_keys.
128
129 0.31 Fri Jul 10 09:02:50 PDT 2009
130 * Added support or HA via replication.
131 * malloc() removed for server key usage.
132 * Update build system.
133 * Added support for memcached_set_memory_allocators().
134 * Fixed bug in configure.ac for have_htoll.
135
136 0.30 Sun May 31 17:31:52 PDT 2009
137 * Added memcachd_dump command (and framework for memdump tool).
138 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
139 * Remove some of sprintf() in storage calls().
140 * Removed printf() in stat call for unknown stat member.
141 * memcached_generate_hash() function added.
142 * Added tests to make sure all hash functions are stable.
143
144 0.29 Tue May 19 08:26:48 PDT 2009
145 * Fixed malloc usage to calloc for spots where we need zero filled memory.
146 * All code warnings now treated as errors.
147 * Fixes for debian packaging.
148 * Added new pooling mechanism.
149 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
150 * Updated generic rpm.
151
152 0.28 Tue Apr 14 18:56:28 PDT 2009
153 * Fixed bug in init sructure (reapplied)
154 * Fixed bug in get/set by key (nikkhils@gmail.com)
155
156 0.27 Sun Mar 29 22:33:01 PDT 2009
157 * Added new UDP fire-forget mode.
158 * Reworked performance for mget() to better make use of async protocol
159 * Cleaned up execution of fetch (just one set of code now)
160 * Fixed Jenkin's for big endian hosts.
161 * Updates for memstat to determine network latency.
162 * Updates for binary protocol.
163 * Many updates to documentation.
164
165 0.26 Thu Jan 29 13:05:50 PST 2009
166 * Fix for decrement on hash key
167 * Fixed assert that was catching bad memset() call in host_reset()
168 * Fix purge issue for blocked IO which has been stacked.
169
170 0.25 Fri Nov 28 09:59:35 PST 2008
171 * Jenkins HASH added.
172 * Update of Murmur hash code
173 * Support explicit weights (Robey Pointer, Evan Weaver)
174 * Bugfix for ketama continuum (Robey Pointer)
175 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
176 * Don't ever call stats for weighting servers, because it is unstable.
177
178 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
179 * Cleanup compile warnings.
180 * Fix issues in partitioning by keys.
181 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
182 * New memcached_server_by_key() method for finding a server from a key.
183 * memcached_server_free() was added for freeing server structures.
184
185
186 0.23 Sun Sep 7 08:13:59 PDT 2008
187 * Added strings.h header for Solaris 9
188 * Solaris 64bit fix.
189 * Support for weighted Ketama from Yin Chen.
190 * Fix for Chinese
191 * Fix for 0 length key to trigger bad key.
192 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
193 * Support for Binary Protocol added
194
195 0.22 Mon Jul 14 09:24:11 PDT 2008
196 * Fix where master key was no being checked for "bad key"
197 * Fixed bugs in stats output (thread output was wrong)
198 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
199 * Found a bug in Flags return (Jacek Ostrowski)
200 * Fixed issue with compiling on Visual Studio
201
202 0.21 Fri May 23 18:34:09 PDT 2008
203 * Change of char * to const char * for all key based functions.
204 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
205 * Fixed bug introducd in last version on memcp
206 * Fix for death of file io to call shutdown()
207
208 0.20 Mon May 5 08:34:26 PDT 2008
209 * New consistent distribution tests.
210 * Found a memory leak when a server constantly fails.
211 * Fix in watchpoint macro
212 * Changed default timeout to 1 second for poll timeouts
213 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
214 * memslap memory leak fix
215 * Added Ketama distribution
216 * Fix assert.h compile problem on CentOS
217
218 0.19 Wed Apr 9 09:30:53 PDT 2008
219 * Documentation fix in libmemcached.
220 * Fixed bug where sort was always occuring on hosts
221 * Logic fix in branch prediction (thanks Jay!)
222 * Read through cached support.
223 * Fixed for cas by key operation.
224 * Fix for memcached_server_st list structures to have correct count.
225 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
226 * Removed function call in favor of macro (aka cut out some instructions)
227
228
229 0.18 Sun Mar 16 21:57:55 PDT 2008
230 * Fix plus tests for non-zero value objects and flags.
231 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
232 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
233 * gcc branch prediction optimizations
234 * Refactored entire tree to make include files cleaner
235 * Fixed leaked socket.
236
237 0.17 Wed Feb 27 03:33:29 PST 2008
238 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
239 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
240 * Fix for storage of values for zero.
241 * memcached_server_cursor() function added to API for cycling through servers.
242
243 0.16 Mon Feb 18 00:30:25 PST 2008
244 * Work on the UDP protocol
245 * Added get_by_key, set_by_key tests for C++ API
246 * Fix for limit_maxbytes to be 64bit in stats
247 * Added Atom Smasher test (scale baby, scale!)
248 * Servers are now sorted, meaning that servers are now ordered so that clients with the same lists, will have same distribution. (Idea from Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable this support.
249 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
250 * More error messages on command line tools.
251 * Fixed bugs in memcached_cas() operator.
252 * Fix to loop through interfaces
253
254 0.15 Tue Jan 29 14:55:44 PST 2008
255 * More work on the C++ API.
256 * Bug fixes around block corner cases.
257 * Slight performance increase in both read() and write().
258
259 0.14 Tue Jan 22 06:21:49 PST 2008
260 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
261 * Fix for bad null pointer on flag by Toru Maesaka.
262 * Refactor of all IO to just pass in the active server
263 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
264 * Added memcached_callback_get()/set()
265 * First prototype of C++ interface
266 * Updated docs for uint16_t changes in previous release
267
268 0.13 Sun Jan 13 06:51:50 PST 2008
269 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
270 * Fix for failure to connect to invalidate socket.
271 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
272 * Kevin's patch for fixing EOF issues during a read.
273 * Toru Maesaka patch for stats mismatch
274 * Fix for when CRC return 0
275 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
276 * Lingering socket fixes for FreeBSD.
277 * Patches from Kevin Dalley for FreeBSD 4.0
278 * Added multi delete functions.
279 * All get key returns have C style null termination
280 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
281 * Added memcached_fetch_execute() method
282 * Found a bug where memcached_fetch() was not null terminating the result value.
283 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
284 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
285
286 0.12 Tue Dec 11 15:20:55 PST 2007
287 * Updates for consistent hashing
288 * IPV6 support
289 * Static allocation for hostname (performance)
290 * Fixed bug where in non-block mode all data might not have been sent on close().
291 * Refactor of memcached_get() to use common code.
292 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
293 * Fixed bug where key could be out of range of characters
294 * Added _by_key() methods to allow partitioning of values to particular servers.
295 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
296 * Performance improvements in get operations.
297
298 0.11 Mon Nov 26 01:05:52 PST 2007
299 * Added option to memcache_behavior_set() so that poll() can be timed out.
300 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
301 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
302 * Rewrote bounds checking code for get calls.
303 * "make test" now starts its own memcached servers.
304 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
305
306 0.10 Tue Nov 20 23:22:31 PST 2007
307 * Added append binary test.
308 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
309 * Added CAS support, though this is optional and must be enabled during runtime.
310 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
311 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
312 * Fixed bug where hostname might not be null terminated
313 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
314 * Added -rpath support for pkg-config
315 * Documentation fix for hash setting using memcached_behavior_set()
316
317 0.9 Thu Nov 15 07:44:00 PST 2007
318 * fix for when no servers are definied.
319 * different buffers are now kept for different connections to speed up async efforts
320 * Modified increment/decrement functions to return uint64_t values
321 * Fixed bug in cases where zero length keys were provided
322 * Thread cleanup issue in memslap
323 * No hostname lookup on reconnect
324 * Fix for flag settings (was doing hex by accident!)
325 * Support for 1.2.4 server additions "prepend" and "append" added.
326 * Added memcached_version()... not sure if I will make this public or not.
327
328 0.8 Mon Nov 5 10:40:41 PST 2007
329 * Adding support for CRC hash method
330 * Adding support for UNIX sockets
331 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
332 * Added pkgconfig support (PKG_CHECK_MODULES)
333 * Fixed conflict with defined type in MySQL
334 * Added memcached_result_st structure and functions to manipulate it.
335
336 0.7 Tue Oct 30 09:24:05 PDT 2007
337 * Poved to poll() from select()
338 * Fixes in internal string class for allocation of large numbers of strings.
339 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
340 * Propper flush now for making sure we get all IO sent even when in non-block mode.
341 * Added --enable-debug rule for configure
342 * All asserts() removed (hey this is going into production!)
343
344
345 0.6 Wed Oct 17 08:41:35 PDT 2007
346 * get value returns are now null terminated (request by Cal Heldenbrand)
347 * Fixed connections for more hosts then two.
348 * Rewrite of the read/write IO systems to handle different sorts of host failures.
349 * Added man pages for all functions and tools
350 * Raised buffer size for readinng/writing to 16K
351 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
352
353 0.5 Tue Oct 9 00:22:25 PDT 2007
354 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
355 library as well. (Eric Hodel drbrain@segment7.net)
356 * Added support script for set_benchmark
357 * Updated memslap to allow testing of TCP_NODELAY
358 * Updated memslap to support --flush (aka dump memcache servers before testing)
359 * Fixed bug in multiple hosts not being activated
360 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
361 * fixed memcached_stat method (and now memstat works)
362 * server connect now happens on demand.
363 * Help for all command line applications
364
365 0.4 Wed Oct 3 10:28:50 PDT 2007
366 * Added buffered IO to write calls for keys
367 * Added buffered IO for reads
368 * memstat was broken (bad if/else on connect)
369 * New non-blocking IO (not default yet). Mucho faster
370 * Refactor of test system.
371 * memslap crash solved
372
373 0.3 Mon Oct 1 06:37:52 PDT 2007
374 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
375 * Added "make rpm" around dist file
376 * Added support for Solaris
377 * Added support for DTrace
378 * Fixed read to be recv and write to be send
379 * Bug fix where memstat would core if no server was found
380 * Added memslap tool (load generator)
381 * Numerous bug fixes in library
382 * Added calls to library for creating host lists (see text cases to understand how to use this).
383
384 0.2 Thu Sep 27 03:46:57 PDT 2007
385 * First public version
386